forked from Blosc/python-blosc
/
setup.py
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setup.py
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# -*- coding: utf-8 -*-
########################################################################
#
# License: MIT
# Created: September 22, 2010
# Author: Francesc Alted - faltet@gmail.com
#
########################################################################
# flake8: noqa
from __future__ import print_function
import os
import platform
import re
import sys
from setuptools import Extension
from setuptools import setup
import glob
########### Check versions ##########
def exit_with_error(message):
print('ERROR: %s' % message)
sys.exit(1)
# Check for Python
if sys.version_info[0] == 2:
if sys.version_info[1] < 6:
exit_with_error("You need Python 2.6 or greater to install blosc!")
elif sys.version_info[0] == 3:
if sys.version_info[1] < 1:
exit_with_error("You need Python 3.1 or greater to install blosc!")
else:
exit_with_error("You need Python 2.6/3.1 or greater to install blosc!")
tests_require = ['numpy']
if sys.version_info[:2] < (2, 7):
tests_require += ['unittest2']
########### End of checks ##########
# Blosc version
VERSION = open('VERSION').read().strip()
# Create the version.py file
open('blosc/version.py', 'w').write('__version__ = "%s"\n' % VERSION)
# Global variables
CFLAGS = os.environ.get('CFLAGS', '').split()
LFLAGS = os.environ.get('LFLAGS', '').split()
# Allow setting the Blosc dir if installed in the system
BLOSC_DIR = os.environ.get('BLOSC_DIR', '')
# Handle --blosc=[PATH] --lflags=[FLAGS] --cflags=[FLAGS]
args = sys.argv[:]
for arg in args:
if arg.find('--blosc=') == 0:
BLOSC_DIR = os.path.expanduser(arg.split('=')[1])
sys.argv.remove(arg)
if arg.find('--lflags=') == 0:
LFLAGS = arg.split('=')[1].split()
sys.argv.remove(arg)
if arg.find('--cflags=') == 0:
CFLAGS = arg.split('=')[1].split()
sys.argv.remove(arg)
# Blosc sources and headers
sources = ["blosc/blosc_extension.c"]
inc_dirs = []
lib_dirs = []
libs = []
def_macros = []
if BLOSC_DIR != '':
# Using the Blosc library
lib_dirs += [os.path.join(BLOSC_DIR, 'lib')]
inc_dirs += [os.path.join(BLOSC_DIR, 'include')]
libs += ['blosc']
else:
# Compiling everything from included C-Blosc sources
# Warn about the convenience to use the shared library
print("*******************************************************\n"
"**Warning:** Compiling with included C-Blosc sources. \n"
"For performance reasons, consider to use the --blosc \n"
"flag for passing an external C-Blosc library location. \n"
"*******************************************************\n")
# We still have to figure out how to detect AVX2 in Python,
# so use the external library is AVX2 is desired.
sources += [f for f in glob.glob('c-blosc/blosc/*.c') if 'avx2' not in f]
# LZ4 sources
sources += glob.glob('c-blosc/internal-complibs/lz4*/*.c')
# Snappy sources
sources += glob.glob('c-blosc/internal-complibs/snappy*/*.cc')
# Zlib sources
sources += glob.glob('c-blosc/internal-complibs/zlib*/*.c')
# Finally, add all the include dirs...
inc_dirs += [os.path.join('c-blosc', 'blosc')]
inc_dirs += glob.glob('c-blosc/internal-complibs/*')
# ...and the macros for all the compressors supported
def_macros += [('HAVE_LZ4', 1), ('HAVE_SNAPPY', 1), ('HAVE_ZLIB', 1)]
if platform.system() == "Linux":
# Compiling with more than -O2 can cause segfaults; see:
# https://github.com/Blosc/python-blosc/issues/110
CFLAGS.append('-O1')
if os.name == 'posix':
if re.match("i.86", platform.machine()) is not None:
# Add -msse2 flag for optimizing shuffle in Blosc
# (only necessary for 32-bit Intel architectures)
CFLAGS.append("-msse2")
elif os.name == 'nt':
# Windows always should have support for SSE2
# (present in all x86/amd64 architectures since 2003)
def_macros += [('__SSE2__', 1)]
if re.match("i.86|x86", platform.machine()) is not None:
# Always enable SSE2 for AMD/Intel machines
def_macros += [('SHUFFLE_SSE2_ENABLED', 1)]
classifiers = """\
Development Status :: 5 - Production/Stable
Intended Audience :: Developers
Intended Audience :: Information Technology
Intended Audience :: Science/Research
License :: OSI Approved :: MIT License
Programming Language :: Python
Topic :: Software Development :: Libraries :: Python Modules
Topic :: System :: Archiving :: Compression
Operating System :: Microsoft :: Windows
Operating System :: Unix
"""
setup(name = "blosc",
version = VERSION,
description = 'Blosc data compressor',
long_description = """\
Blosc is a high performance compressor optimized for binary data.
""",
classifiers = filter(None, classifiers.split("\n")),
author = 'Francesc Alted, Valentin Hänel',
author_email = 'faltet@gmail.com, valentin@haenel.co',
maintainer = 'Francesc Alted, Valentin Hänel',
maintainer_email = 'faltet@gmail.com, valentin@haenel.co',
url = 'http://github.com/blosc/python-blosc',
license = 'http://www.opensource.org/licenses/mit-license.php',
platforms = ['any'],
ext_modules = [
Extension( "blosc.blosc_extension",
include_dirs=inc_dirs,
define_macros=def_macros,
sources=sources,
library_dirs=lib_dirs,
libraries=libs,
extra_link_args=LFLAGS,
extra_compile_args=CFLAGS ),
],
tests_require=tests_require,
packages = ['blosc'],
)